They have six colors in all. Various specifications and emitting colors of light emitting diode meet your demand. Data sheet inside kit box shows 3mm LED’s working range. Excellent Quality: Every LED is examined rigidly before being put into the box. Kit Box for Storage: Don't worry you will mix them up or lose them. All different colors of super bright LED diodes are placed respectively in a neat kit box.
Red: 1.8-2.0V, 20mA
Yellow: 1.8-2.0V, 20mA
Green: 3.0-3.2V, 20mA
Blue: 3.0-3.2V, 20mA
White: 3.0-3.2V, 20mA
Purple: 3.2-3.4V, 20mA
The long foot is positive, the short foot is negative.
Notice: The price is only for one LED.